Sawitri, E. et al. 2026. Prognostic Biomarkers in COVID-19: The Impact of Neutrophil-Lymphocyte Ratio, Ferritin, Platelet-Lymphocyte Ratio, and D-Dimer. Technium BioChemMed. 14, (Apr. 2026), 17–23. DOI:https://doi.org/10.47577/biochemmed.v14i.12620.